Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001157523-20-000552-index-headers.html | 2020-04-21 16:17:49 | |
| 0001157523-20-000552-index.html | 2020-04-21 16:17:49 | |
| 0001157523-20-000552.txt | 2020-04-21 16:17:49 | |
 0001157523-20-000552-xbrl.zip | 31095 | 2020-04-21 16:17:49 |
| a52207316.htm | 30960 | 2020-04-21 16:17:49 |
| a52207316ex99_1.htm | 164488 | 2020-04-21 16:17:49 |
| a52207316ex99_2.htm | 64627 | 2020-04-21 16:17:49 |
| a52207316_htm.xml | 4086 | 2020-04-21 16:17:49 |
 commentary_logo.jpg | 9438 | 2020-04-21 16:17:49 |
| FilingSummary.xml | 1729 | 2020-04-21 16:17:49 |
| Financial_Report.xlsx | 5812 | 2020-04-21 16:17:49 |
| MetaLinks.json | 21189 | 2020-04-21 16:17:49 |
| R1.htm | 38645 | 2020-04-21 16:17:49 |
| report.css | 2767 | 2020-04-21 16:17:49 |
| Show.js | 1084 | 2020-04-21 16:17:49 |
| usna-20200421.xsd | 4186 | 2020-04-21 16:17:49 |
| usna-20200421_lab.xml | 23692 | 2020-04-21 16:17:49 |
| usna-20200421_pre.xml | 16824 | 2020-04-21 16:17:49 |